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相关论文: Enhancing Multiuser MIMO Through Opportunistic D2D…

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Device-to-device(D2D) underlaying communication brings great benefits to the cellular networks from the improvement of coverage and spectral efficiency at the expense of complicated transceiver design. With frequency spectrum sharing mode,…

信息论 · 计算机科学 2013-07-02 Jialiang Zhang , Gang Wu , Wenhui Xiong , Zhi Chen , Shaoqian Li

The integration of local device-to-device (D2D) communications and cellular connections has been intensively studied to satisfy co-existing D2D and cellular communication demand. In future cellular networks, there will be numerous standby…

信息论 · 计算机科学 2018-08-24 Jiajia Guo , Wei Yu , Jinhong Yuan

This work studies the role of inter-user device-to-device (D2D) cooperation for improving physical-layer secret communication in multi-user downlink systems. It is assumed that there are out-of-band D2D channels, on each of which a selected…

信号处理 · 电气工程与系统科学 2021-06-09 Seok-Hwan Park , Xianglan Jin

In this paper, we consider device-to-device (D2D) communication that is underlaid in a multi-cell massive multiple-input multiple-output (MIMO) system and propose a new framework for power control and pilot allocation. In this scheme, the…

信息论 · 计算机科学 2019-03-07 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

This paper investigates the cooperative full-duplex device-to-device (D2D) communication underlaying cellular network, where the cellular user (CU) acts as a full-duplex relay to assist the D2D communication. To simultaneously support D2D…

信息论 · 计算机科学 2018-05-18 Guoling Liu , Wenjiang Feng , Zhu Han , Weiheng Jiang

This paper proposes a new power control and pilot allocation scheme for device-to-device (D2D) communication underlaying a multi-cell massive MIMO system. In this scheme, the cellular users in each cell get orthogonal pilots which are…

信息论 · 计算机科学 2018-11-05 Amin Ghazanfari , Emil Björnson , Erik G. Larsson

In this paper, we investigate the coexistence of two technologies that have been put forward for the fifth generation (5G) of cellular networks, namely, network-assisted device-to-device (D2D) communications and massive MIMO (multiple-input…

信息论 · 计算机科学 2016-08-04 Serveh Shalmashi , Emil Björnson , Marios Kountouris , Ki Won Sung , Mérouane Debbah

Device-to-device (D2D) communication has become one important part of the 5G cellular networks particularly due to the booming of proximity-based applications, e.g. D2D relays. However, the D2D relays may create strong interference to…

网络与互联网体系结构 · 计算机科学 2017-06-14 Zhaowei Zhu , Shengda Jin , Yu Zeng , Honglin Hu , Xiliang Luo

In a device-to-device (D2D) local area network (LAN), mobile users (MUs) must cooperate to download common real-time content from a wireless cellular network. However, sustaining such D2D LANs over cellular networks requires the…

One of key 5G scenarios is that device-to-device (D2D) and massive multiple-input multiple-output (MIMO) will be co-existed. However, interference in the uplink D2D underlaid massive MIMO cellular networks needs to be coordinated, due to…

信息论 · 计算机科学 2017-05-30 Anqi He , Lifeng Wang , Yue Chen , Kai-Kit Wong , Maged Elkashlan

User-to-network relaying enabled via Device-to-Device communications (D2D) is a promising technique for improving the performance of cellular networks. Since in practice relays are in mobility, a dynamic relay selection scheme is…

信息论 · 计算机科学 2020-10-26 Rita Ibrahim , Mohamad Assaad , Berna Sayrac

The cellular network coexisting with device-to-device (D2D) communications has been studied extensively. Reconfigurable intelligent surface (RIS) and non-orthogonal multiple access (NOMA) are promising technologies for the evolution of 5G,…

信息论 · 计算机科学 2023-04-20 Yukai Liu , Wen Chen , Kunlun Wang

In this paper, we study the distributed computational capabilities of device-to-device (D2D) networks. A key characteristic of D2D networks is that their topologies are reconfigurable to cope with network demands. For distributed computing,…

网络与互联网体系结构 · 计算机科学 2020-11-25 Junghoon Kim , Taejoon Kim , Morteza Hashemi , Christopher G. Brinton , David J. Love

Cellular offloading in device-to-device communication is a challenging optimisation problem in which the improved allocation of radio resources can increase spectral efficiency, energy efficiency, throughout and reduce latency. The academic…

系统与控制 · 电气工程与系统科学 2021-01-28 David Cotton , Zenon Chaczko

Cellular network performance can significantly benefit from direct device-to-device (D2D) communication, but interference from cochannel D2D communication limits the performance gain. In hybrid networks consisting of D2D and cellular links,…

信息论 · 计算机科学 2014-12-16 Qiaoyang Ye , Mazin Al-Shalash , Constantine Caramanis , Jeffrey G. Andrews

This paper proposes a multi-level cooperative architecture to balance the spectral efficiency and scalability of cell-free massive multiple-input multiple-output (MIMO) systems. In the proposed architecture, spatial expansion units (SEUs)…

信息论 · 计算机科学 2023-02-17 Jiamin Li , Xiaoyu Sun , Pengcheng Zhu , Dongming Wang , Xiaohu You

In this report, we consider how to dynamically select transmission bands and multi-hop routes for device-to-device (D2D) communications in co-existence with a cellular network overlay. Firstly, we consider different wireless routing…

网络与互联网体系结构 · 计算机科学 2013-10-23 Yuan Hu

Device-to-device (D2D) communication underlaying cellular networks is expected to bring significant benefits for utilizing resources, improving user throughput and extending battery life of user equipments. However, the allocation of radio…

网络与互联网体系结构 · 计算机科学 2016-11-15 Feiran Wang , Chen Xu , Lingyang Song , Zhu Han

In this paper, we consider a massive multiple-input multiple-output (MIMO) downlink system underlaid with a network of multi-antenna D2D user equipments (UEs). Each D2D transmitter (Tx) uses all its antennas to beamform information towards…

信息论 · 计算机科学 2016-03-31 Amit Agarwal , Sudarshan Mukherjee , Saif Khan Mohammed

This paper proposes to deploy multiple reconfigurable intelligent surfaces (RISs) in device-to-device (D2D)-underlaid cellular systems. The uplink sum-rate of the system is maximized by jointly optimizing the transmit powers of the users,…

信息论 · 计算机科学 2021-08-24 Yashuai Cao , Tiejun Lv , Wei Ni , Zhipeng Lin
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